Need urgent history! 98 points if answerd

Quizlet helps with a lot of things such as these

answer; i believe the two groups were irish immigrants and chinese immigrants;

the answer to fill in the blank in this question would be the word resource, it is defined as the money, material or people (since human resource is a very valuable good) that a company or a person has at disposition (meaning they can use the resource as they see fit), to be able to complete a task or achieve a goal.